18, 4 Fisher: New Coleoptera from the Philippines 435 
but having the ruge a little finer; very finely punctate and 
irregularly rugose over entire surface. Beneath shining black, 
sparsely, finely punctate, each abdominal segment with two 
large punctures along anterior margin; prosternum broadly 
rounded at apex, the median part rather densely covered with 
short, acute tubercles; legs, tarsi, and tarsal claws black; tarsal 
lamellz light brown. 
Length, 3.5 millimeters; width, 2. 
The type is from Malinao, Tayabas Province, Luzon (Baker). 
A specimen from Dapitan, Mindanao (Baker), differs from 
the type in being darker in color, head bluish on anterior half, 
becoming greenish toward vertex, a little more elongated in form, 
and by being slightly smaller, measuring 3.35 millimeters in 
length and 1.75 millimeters in width. 
Genus APHANISTICUS Latreille 
Key to the species.” 
1. Elytra with longitudinal costed. ..............2...-.-sssscsmcencencgenneseennosetetessnseecseseees 2. 
Elytra without longitudinal costae. ..oun....c.c oon -ccc ence coe eennectesecccececcweees 3. 
2. Prothorax broadly cordate; elytral intervals not distinctly, transversely 
costate; scutellum visible A. costipennis sp. nov. 
Prothorax transverse, sides evenly arcuate; elytral intervals on an- 
terior part of disk transversely costate; scutellum invisible. 
A. bakeri sp. nov. 
8. Head deeply excavated between the eyes 4. 
Head feebly excavated between the eyes 5. 
4. Pronotum distinctly, transversely grooved at middle.. A. excavatus sp. nov. 
Pronotum not transversely grooved at middle........ A. piceipennis sp. nov. 
5. Pronotum with a deep fovea near posterior angles 6. 
Pronotum without a deep fovea near posterior angles 7. 
6. Head rounded in front. A. mindanaoensis sp. nov. 
Head narrowly, deeply emarginate in front............ A. foveicollis sp. nov. 
7. Form slender; prothorax widest in front of middle. 
A. unicolor sp. nov. 
Form robust; prothorax widest at middle............ A. trachyformis sp. nov. 
Aphanisticus costipennis sp. nov. 
Elongate, depressed, uniformly black, shining. 
Head elongate, slightly narrower posteriorly, much narrower 
than the prothorax; front rather widely and very deeply exca- 
vated between the eyes, the lateral sides of excavation sub- 
parallel; eyes with the inner side abruptly margined and placed 
at the extreme lateral part of the excavation; surface finely, 
“TI have been unable to examine specimens of either A. bodongi Kerrem. 
or A. nigroaeneus Kerrem., both of which are reported from the Philippines. 
